Dafny Verifier and MCP

Integrating MCP with Dafny

Dafny is a verification-aware programming language that includes specification constructs such as pre-conditions, post-conditions, and loop invariants. By integrating MCP with Dafny, we can create more powerful and context-aware verification tools.

MCP Server Implementation for Dafny

class DafnyVerificationServer extends MCPServer {
  capabilities = {
    tools: {
      'verify-program': this.handleVerification,
      'suggest-invariants': this.handleInvariantSuggestion,
      'check-proof': this.handleProofChecking
    },
    resources: {
      'verification-result': this.handleVerificationResult,
      'proof-context': this.handleProofContext
    }
  }
}

Key Features

1. Automated Verification

   • Context-aware program verification
   • Integration with LLM-powered proof assistance
   • Automated invariant generation

2. Proof Management

   • Proof state tracking
   • Interactive proof development
   • Verification result explanation

3. Error Analysis

   • Detailed error reporting
   • Suggestion of fixes
   • Context-based debugging

Best Practices

Security Considerations

• Validate all proof inputs
• Protect against resource exhaustion
• Implement timeout mechanisms

Performance Optimization

• Cache verification results
• Implement incremental verification
• Use parallel verification when possible

Conclusion

MCP integration enables Dafny to become a more powerful verification tool by leveraging AI capabilities while maintaining its rigorous mathematical foundation for program correctness.